Hussaini 72 refers to the 72 companions of Imam Hussain (AS), the grandson of Prophet Muhammad (PBUH), who stood with him during the historic Battle of Karbala in 680 AD. This battle, a pivotal event in Islamic history, symbolizes the fight against tyranny and injustice, as Imam Hussain and his companions sacrificed their lives for truth, justice, and the principles of Islam.